Running 2.5mm cable next to hot water pipe

OK, what if I say 'masonry nail'.
I was waiting for that one!

The point surely is that no form of barrier will mechanically protect a cable against a 'material-appropriate' attempt to attach a fixing - e.g. even if it were 1" thick steel, someone might drill into it for an attachment - so what (if anything) do you believe would satisfy 522.6.101(iv)?

Kind Regards, John.
 
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Where is the reg relating to cables buried in conctere floors?
I don't know. Does that mean it should not be done? Mind, I have never wanted/needed to.
It sounds like a particularly silly idea - but, there again, so does the burying of pipework in concrete floors which seems to have become quite fashionable with 'recent builds'. Although I can't currently think of where, there surely must be something in the regs about this? Anyone?

Kind Regards, John.
 
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The point surely is that no form of barrier will mechanically protect a cable against a 'material-appropriate' attempt to attach a fixing - e.g. even if it were 1" thick steel, someone might drill into it for an attachment - so what (if anything) do you believe would satisfy 522.6.101(iv)?
I'd consider mechanical protection as barrier made of a material that will resist fixing attempts appropriate for the material it is embedded in. So for example in a masonary wall I would think mechanical protection should protect against masonary nails and masonary drills.
 
I'd consider mechanical protection as barrier made of a material that will resist fixing attempts appropriate for the material it is embedded in. So for example in a masonary wall I would think mechanical protection should protect against masonary nails and masonary drills.
That would be reasonable (even though the regs don't actually say that). Are you therefore suggesting that the mechanical protection always has to be made out of a material different from the materials of which the wall is constructed (e.g. metal protection would not be acceptable in a metal partition wall)?

Kind Regards, John.
 
It might be a different metal - like the anti-drill inserts in brass locks.
 
It might be a different metal - like the anti-drill inserts in brass locks.
Fair enough. I'll therefore re-phrase what I wrote to read "e.g. metal protection would not be acceptable in a partition wall constructed using the same metal".

Kind Regards, John.
 
Hi, I've just purchased my first house and had new central heating fitted, where I removed a wall I have a recess of about 4" wide. I want to use this to run pipes And 2.5mm cable they will both be covered and then concreted in. Is this OK or will they still effect each other?

I take it you mean removing the wall left a 4" recess in the concrete floor which you can utilise. Sounds ok to run pipes and cables in it. Keep the cables away from the pipes. It's usual to cover the cables in pvc round conduit.
 

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